Bottle stopper



FIG. 1 is a side elevational view of a bottle stopper showing my new design;

FIG. 2 is an end elevational view thereof from the left of FIG. 1;

FIG. 3 is an end elevational view thereof from the right of FIG. 1; and,

FIG. 4 is a top and side perspective view thereof.

The device whose design is claimed is a figure of revolution, and so all side elevational views thereof are identical. 

The ornamental design for a bottle stopper, as shown and described. 